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Date:   Wed, 20 Feb 2019 17:03:26 -0800
From:   Eduardo Valentin <edubezval@gmail.com>
To:     Anson Huang <anson.huang@nxp.com>
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Subject: Re: [PATCH V7 4/4] arm64: dts: imx: add i.MX8QXP thermal support
Message-ID: <20190221010324.GD31479@localhost.localdomain>
References: <1550645332-2907-1-git-send-email-Anson.Huang@nxp.com>
 <1550645332-2907-4-git-send-email-Anson.Huang@nxp.com>
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On Wed, Feb 20, 2019 at 06:53:58AM +0000, Anson Huang wrote:
> Add i.MX8QXP CPU thermal zone support.
> 
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> ---
> Changes since V6:
> 	- add fallback compatible string "fsl,imx-sc-thermal" according to i.MX SC thermal driver
> 	  update.
> ---
>  arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> index 4c3dd95..24b03d6 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> @@ -10,6 +10,7 @@
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/pinctrl/pads-imx8qxp.h>
> +#include <dt-bindings/thermal/thermal.h>
>  
>  / {
>  	interrupt-parent = <&gic>;
> @@ -116,6 +117,12 @@
>  		rtc: rtc {
>  			compatible = "fsl,imx8qxp-sc-rtc";
>  		};
> +
> +		tsens: thermal-sensor {
> +			compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
> +			tsens-num = <1>;
> +			#thermal-sensor-cells = <1>;
> +		};
>  	};
>  
>  	timer {
> @@ -443,4 +450,25 @@
>  			power-domains = <&pd IMX_SC_R_GPIO_7>;
>  		};
>  	};
> +
> +	thermal_zones: thermal-zones {
> +		cpu-thermal0 {
> +			polling-delay-passive = <250>;
> +			polling-delay = <2000>;
> +			thermal-sensors = <&tsens 0>;
> +			imx,sensor-resource-id = <355>;
> +			trips {
> +				cpu_alert0: trip0 {
> +					temperature = <107000>;
> +					hysteresis = <2000>;
> +					type = "passive";

Please add your cooling maps for a passive trip point.

> +				};
> +				cpu_crit0: trip1 {
> +					temperature = <127000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +		};
> +	};
>  };
> -- 
> 2.7.4
>